I have a clustered application that is suffering from database deadlocks. It is a j2ee application using JPA and hibernate.The database 开发者_Go百科is DB2 8.1 on Z/OS is set to page locking (this is
Can several threads operate on the same socket descriptor, i.e ac开发者_如何学运维cept(sock_fd) at the same time without concern?
As I understood fork() creates a child process by copying the image of the parent process. My question is about how do child and parent processes share the stdout stream?
I\'m new to the package java.util.concurrent. I\'ve created the following program testing if a number is a prime using a multi and a monothreaded strategy.
require \'net/开发者_JAVA技巧http\' urls = [ {\'link\' => \'http://www.google.com/\'}, {\'link\' => \'http://www.yandex.ru/\'},
Does someone know of an open source BufferedIterator, where the next N elements are eagerly fetched on a background thread?
I need to select first (let\'s say) 10000 rows in database and return them. There may be more clients that do this operation at one time. I came up with this query:
Is there a way to execute low priority updates in MySQL, when using InnoDB? I am running a very high load applicat开发者_运维问答ion where there may easily be literally thousands of users trying to c
Here some C++ code that is accessed from multiple threads in parallel. It has a critical section: lock.Acquire();
I’ve run into something strange about the effect of large memory allocations on the scalability of the .Net runtime. In my test application I create lots of strings in a tight 开发者_JAVA百科loop for